XZMALZYC Left hand thread screws M3 M4 M5 M6 M8 M10 Grade12.9 DIN912 Left hand thread Hex Socket Head Cap Screw (Size : M6x60 (10pcs)) : Amazon.co.uk: DIY & Tools
M6 (6mm) A2 Stainless Steel Hexagon Left Hand Thread Full Nuts Hex Reverse Nut - 2 Pack : Amazon.co.uk: DIY & Tools
M6 X 1 X 25mm Left Hand Thread Hex Head Cap Screw Stainless Steel (pkg | Left Hand Fastener
M6 Stainless Steel Left Handed and Right Handed Dual Threaded Stud (6mm) | GS Products